You push a box across the floor with a force of 30 N. you push it 15 meters in 8 seconds. how much work did you do? how much power did you use?

Which law of motion accounts for the following statement? "When a marble and a billiard ball are impacted by the same force, the marble experiences a greater acceleration." First law, Second law, or Third law

How fast or slow an object is moving and in what direction

Imagine the door to a theatre is opened and you are standing outside. How is it possible that you can hear the sound of the movie or play even if you cannot see the screen or stage?

What units do chemists normally use for density of liquids and solids? for gas density? explain the differences?

What are three processes in the body that are fueled by chemical potential energy?

A hot-air balloon is ascending at the rate of 14 m/s and is 84 m above the ground when a package is dropped over the side. (a) How long does the package take to reach the ground? (b) With what speed does it hit the ground?

Now assume that the pitcher in Part D throws a 0.145-kgkg baseball parallel to the ground with a speed of 32 m/sm/s in the + x direction. The batter then hits the ball so it goes directly back to the pitcher along the same straight line.

How far away is a cliff if an echo is heard 0.486 s after the original sound? Assume that sound traveled at 343 m/s on that day.

Rafael swings a baseball bat with a force of 25 N. The baseball bat exerts a force of 5 N on the baseball. What is the mechanical advantage of the baseball bat? The mechanical advantage of the baseball bat is

Minerals such as sulfur can sometimes be identified by colors, true or false.